Radioactive krypton gas separation

Details Radioactive krypton gas separation Radioactive krypton gas separation

1972-05-11

1976-03-16

Vertiz, Oscar R.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Molecular oxygen or ozone component

423239, 423245, 423262, 55 75, 62 18, 62 22, 62 23, 176 37, C01b 1300, C01b 2100, F25j 300, G21c 1920

Patent

active

039446468

ABSTRACT:
Radioactive krypton is separated from a gas mixture comprising nitrogen and traces of carbon dioxide and radioactive krypton by first selective adsorption and then cryogenic distillation of the prepurified gas against nitrogen liquid to produce krypton bottoms concentrate liquid, using the nitrogen gas from the distillation for two step purging of the adsorbent.

REFERENCES:
patent: 3041134 (1962-06-01), Weeks
patent: 3191393 (1965-07-01), Dennis
patent: 3306711 (1967-02-01), Angerhofer
patent: 3404067 (1968-10-01), Rendos
patent: 3535074 (1970-10-01), Nakashima
patent: 3636679 (1972-01-01), Batta
patent: 3742720 (1973-07-01), Ferguson et al.
patent: 3748864 (1973-07-01), Lofredo et al.
patent: 3755075 (1973-08-01), Henrie

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